mirror of
https://github.com/Funkoala14/knowledgebase_law.git
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98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
/**
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* @import {Schema} from 'property-information'
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*/
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import {DefinedInfo} from './util/defined-info.js'
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import {Info} from './util/info.js'
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import {normalize} from './normalize.js'
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const cap = /[A-Z]/g
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const dash = /-[a-z]/g
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const valid = /^data[-\w.:]+$/i
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/**
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* Look up info on a property.
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*
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* In most cases the given `schema` contains info on the property.
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* All standard,
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* most legacy,
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* and some non-standard properties are supported.
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* For these cases,
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* the returned `Info` has hints about the value of the property.
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*
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* `name` can also be a valid data attribute or property,
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* in which case an `Info` object with the correctly cased `attribute` and
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* `property` is returned.
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*
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* `name` can be an unknown attribute,
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* in which case an `Info` object with `attribute` and `property` set to the
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* given name is returned.
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* It is not recommended to provide unsupported legacy or recently specced
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* properties.
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*
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*
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* @param {Schema} schema
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* Schema;
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* either the `html` or `svg` export.
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* @param {string} value
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* An attribute-like or property-like name;
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* it will be passed through `normalize` to hopefully find the correct info.
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* @returns {Info}
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* Info.
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*/
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export function find(schema, value) {
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const normal = normalize(value)
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let property = value
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let Type = Info
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if (normal in schema.normal) {
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return schema.property[schema.normal[normal]]
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}
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if (normal.length > 4 && normal.slice(0, 4) === 'data' && valid.test(value)) {
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// Attribute or property.
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if (value.charAt(4) === '-') {
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// Turn it into a property.
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const rest = value.slice(5).replace(dash, camelcase)
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property = 'data' + rest.charAt(0).toUpperCase() + rest.slice(1)
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} else {
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// Turn it into an attribute.
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const rest = value.slice(4)
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if (!dash.test(rest)) {
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let dashes = rest.replace(cap, kebab)
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if (dashes.charAt(0) !== '-') {
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dashes = '-' + dashes
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}
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value = 'data' + dashes
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}
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}
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Type = DefinedInfo
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}
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return new Type(property, value)
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}
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/**
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* @param {string} $0
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* Value.
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* @returns {string}
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* Kebab.
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*/
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function kebab($0) {
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return '-' + $0.toLowerCase()
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}
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/**
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* @param {string} $0
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* Value.
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* @returns {string}
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* Camel.
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*/
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function camelcase($0) {
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return $0.charAt(1).toUpperCase()
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}
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